¿Cuán grave es la consanguinidad en perros de exhibición?

¿Cuán grave es la consanguinidad en perros de exhibición?Un pastor alemán con una pendiente hacia atrás que fue galardonado con lo mejor del mercado llevó a los de la exposición canina Crufts para el combate anual de este año de la crítica. Los espectadores salieron a las redes sociales para acusar al dueño de crueldad hacia los animales por lo que sugiere que su forma inusual significaba que el perro tiene que sufrir problemas de salud provocados por la endogamia - algo que el dueño negó.

¿Por qué las razas del perro no se consideran especies separadas

Gran Danés, conocer Chihuahua. Usted tiene mucho en común. Ellen Levy Finch, CC BY-SA

Los dueños de perros podrán estar en desacuerdo, pero en lo que se refiere a los biólogos evolutivos, todos los perros son sólo perros. Puede parecer extraño que Canis (lupus) familiaris se extiende desde Chihuahuas-conejo de tamaño a grandes daneses que pueden ser casi del tamaño de un pequeño pony, mientras que las diferencias en apariencia mucho más pequeños ponen muchos animales en especies separadas o subespecies.

¿Cómo resultó perros callejeros de Moscú aprender a navegar por el metro?

¿Cómo resultó perros callejeros de Moscú aprender a navegar por el metro?Para la mayoría de nosotros, los desplazamientos es una tarea que hay que soportar. Ocupado, ruidoso y, a menudo agobiante, los sistemas de transporte subterráneo del mundo son lugares que los seres humanos toleramos como una cuestión de necesidad. Pero no es así para los perros "metro" de Moscú.

Dogs Really Can Tell How Their Owners Are Feeling

Dogs Really Can Tell How Their Owners Are FeelingCan dogs tell when we are happy, sad or angry? As a dog owner, I feel confident not only that I can tell what kind of emotional state my pets are in, but also that they respond to my emotions. Yet as a hard-headed scientist, I try to take a more rational and pragmatic view. These personal observations seem more likely to result from my desire for a good relationship with my dogs.

Why Cats Are Fussy Eaters But Dogs Will Consume Almost Anything

dog drinking teaWhy Cats Are Fussy Eaters But Dogs Will Consume Almost AnythingAnyone who’s watched a cat throwing up after munching on grass knows that our feline friends aren’t natural plant eaters. So you might be surprised to discover that these carnivorous animals share some important genes that are more typically associated with herbivores. And this might help explain why cats aren’t always easy to please when it comes to food.

When Is It Ethical To Euthanize Your Pet?

When Is It Ethical To Euthanize Your Pet?In the 1960s, I knew people who, before going on vacation, would take their dogs to a shelter to be euthanized. They reasoned that it was cheaper to have a dog euthanized – and buy a new one upon returning – than pay a kennel fee.

What Horses Can Teach Us About Ourselves

Learning About Ourselves by Communicating with HorsesNews of my communications with the horses had spread in the small Costa Rican community. The horsemen, the veterinarian, and the cabin retreat employees were all aware of it. Some had reacted with apprehension, suspicious of my abilities, while others were afraid that I might be reading su minds, too.

Equine Encounters: Hearing The Horses Whisper

Equine Encounters: Hearing The Horses WhisperI share the treasure I have received in communicating with horses so that other people may better understand their inner world, and the ways it can help us understand our own. And for those who ride or own horses, I tell this story as another way for you to learn to trust what you hear when your horse needs to speak.

Do Dog Brains Process Human Speech In The Same Way We Do?

Dog Brains Process Human Speech In The Same Way We Do

Human speech is complex, communicating not only words but also tone, as well as information about the speaker such as their gender and identity. To what extent can a dog pick up on these different cues? In nuestro estudio, we’ve found that your dog may understand more than he lets on.